<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <ul>
            <li v-for="item in list">{{item.name}}</li>
        </ul>
        <button @click="go">走一走</button>
    </div>
    <script src="./vue.js"></script>
    <script>
        const vm = new Vue({
            el:'#app',
            data:{
                list:[
                    {id:1,name:'帅哥'},
                    {id:2,name:'美女'},
                    {id:3,name:'程序猿'},
                ]
            },
            methods: {
                go(){
                    const first = this.list.shift()
                    this.list.push(first)
                }
            },
        })
    </script>
</body>
</html>